The CamelBak Mil Tac MULE is a two in one hydration pack and backpack perfect for camping, hiking, hunting or field operators. Stay hydrated with the 100 fluid ounce Antidote Long reservoir and multiple routing options for the drinking tube. It has a Quick Link Exit Port and HydroLock Bite Valve Adapter. It has an Air Director back panel quick release strap buckles and MOLLE Webbing. The back pack has room to equip for short quick operations and activities. It's made of nylon light weight and Cordura 500 Denier.